10400320127 has 2 divisors, whose sum is σ = 10400320128. Its totient is φ = 10400320126.

The previous prime is 10400320123. The next prime is 10400320201. The reversal of 10400320127 is 72102300401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10400320127 - 2² = 10400320123 is a prime.

It is a super-2 number, since 2×10400320127² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10400320099 and 10400320108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400320123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200160063 + 5200160064.

It is an arithmetic number, because the mean of its divisors is an integer number (5200160064).

Almost surely, 2^10400320127 is an apocalyptic number.

10400320127 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400320127 is an equidigital number, since it uses as much as digits as its factorization.

10400320127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 10400320127 its reverse (72102300401), we get a palindrome (82502620528).

The spelling of 10400320127 in words is "ten billion, four hundred million, three hundred twenty thousand, one hundred twenty-seven".